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Super Precision Angular Contact Ball Bearings 71909 CD/HCP4ATBTA

Super Precision Angular Contact Ball Bearings 71909 CD/HCP4ATBTA

The 71909 CD/HCP4ATBTA is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 6322 lbf and reaches speeds of 41,000 RPM, thanks to its ceramic balls and phenolic cage.

Its 15° contact angle and extra light preload ensure smooth operation in high-speed applications. The open design allows for easy lubrication, maintaining performance in temperatures from -30°C to 110°C.

This bearing comes in a matched set of three, arranged in a TBT configuration for stability. Ideal for precision machinery like spindles or CNC equipment where accuracy and speed are key.

Weighing just 0.36kg, it’s lightweight yet robust, meeting P4A tolerance standards for reliable performance. Interchangeable with SKF bearings, it’s a practical choice for replacements.

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Product Parameters

  • Part Number 71909 CD/HCP4ATBTA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 6322 lbf
  • Static Radial Load 6412 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.36 kg
Super Precision Angular Contact Ball Bearings 71909 CD/HCP4ATBTA dimension drawing
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Features

Performance Features of 71909 CD/HCP4ATBTA Bearing

71909 CD/HCP4ATBTA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 41,000 rpm.
With a dynamic radial load capacity of 6322 lbf, it handles demanding tasks with ease.

71909 CD/HCP4ATBTA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload and P4A tolerance class ensure precision in performance.

The matched arrangement of three bearings provides stability in complex applications.
Lubrication is already included, simplifying installation and reducing initial maintenance.

Application

Industrial Uses of 71909 CD/HCP4ATBTA Bearing
71909 CD/HCP4ATBTA Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate performance. The ceramic balls reduce friction, making it suitable for demanding industrial environments.

In automotive applications, 71909 CD/HCP4ATBTA Bearing supports components like electric motors and transmissions, thanks to its extra light preload and durable construction. The metric sizing ensures compatibility with various vehicle models.

For automation systems, 71909 CD/HCP4ATBTA Bearing is ideal for robotic arms and CNC machines, where its phenolic cage provides stability. The open seal type allows for easy maintenance in continuous operation scenarios.

Medical imaging devices benefit from 71909 CD/HCP4ATBTA Bearing’s high precision and low friction, ensuring reliable performance. The temperature range makes it adaptable to different clinical environments.

In consumer electronics, 71909 CD/HCP4ATBTA Bearing can be found in high-performance printers and fans, where its lightweight design and smooth operation are key. The lubricated setup ensures long-lasting use.

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